Amanda-Users

RE: autoflush off, but still flushing to tape after amdump

2006-10-20 15:32:31
Subject: RE: autoflush off, but still flushing to tape after amdump
From: "Lee, Raymond" <Raymond.Lee AT qwest DOT com>
To: <amanda-users AT amanda DOT org>
Date: Fri, 20 Oct 2006 14:25:01 -0500
> 
> On Fri, Oct 20, 2006 at 11:14:20AM -0500, Lee, Raymond wrote:
> > I know Amanda wasn't designed to write to a tape until it's 
> full, but I
> > need to do that for now since I don't have enough tapes to keep the
> > number of days of backups that I want.  So as the FAQ suggested, I'd
> > like to keep all the dumps on the holding disk and just run amflush
> > whenever the holding disk gets enough data to fill one tape.
> > 
> > I'm running 2.5.1p1 with the following in amanda.conf:
> > 
> > autoflush off
> > 
> ...
> > 
> > However, when I run an amdump that only backs up a 200MB of 
> data, I can
> > see the dumps being written to /dump/amanda, but then it's 
> be flushed to
> > tape automatically at the end of amdump.  I also tried 
> "autoflush no"
> > and commenting the line out (default should be "off", 
> right?), but it
> > always flushes to tape after a dump.  Any ideas?
> > 
> 
> You've misunderstood the autoflush directive.
> It is not clearly described in the manpage.
> 
> Writing to tape during an amdump is considered the norm.
> There is no directive controlling taping or not taping
> during a dump, that is not considered "flushing".
> 
> The autoflush directive only affects whether the holding
> disk is looked at for OLD, previously untaped, dumps.
> They are then added or not to the list of things to
> tape this run of amdump.
> 
> To collect on the holding disk, don't insert at tape.
> 

Thanks for the clarification, John.  It makes sense now.  Maybe a better
description should be included in future releases?

Thanks,
Ray


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